Home / 1,059,146.06-1,587,501.15-489,330.11

Finding the Fourth Proportional to 1,059,146.06, 1,587,501.15 and 489,330.11

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Solution

The fourth proportional to 1,059,146.06, 1,587,501.15 and 489,330.11 is: 733,432.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,146.06 : 1,587,501.15 = 489,330.11 : x
  2. Step 2: Convert to fraction form
    1,059,146.06/1,587,501.15 = 489,330.11/x
  3. Step 3: Cross multiply
    1,059,146.06x = 1,587,501.15 × 489,330.11
  4. Step 4: Simplify right side
    1,059,146.06x = 776,812,104,417.12
  5. Step 5: Solve for x
    x = 776,812,104,417.12/1,059,146.06
  6. Step 6: Final answer
    x = 733,432.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.